Hamburger steak and cheese

Ingredients

     4 burgers
      2 tomato
     8 slices of cheese
     ketchup
     mayonnaise

     4 buns
     4 lettuce leaves
     1 onion
   

Preparation:


Preheat oven (200 º C).
Cut onions into slices and let them brown in pan.

Warm the bread in the oven  7 minutes and cook the burgers in the pan.

In bread, put the mayonnaise and ketchup. Add the lettuce leaf in the bread, 2 slices of tomato and some onion on the top ones.

When steaks are cooked, place 2 slices of cheese on each. Do the same with less bread slices and add the slices in the oven and melt it.

Put the steaks on the bread and cover with slices of bread. Put in the oven for fews minutes.